Collar clip



FIG. 1 is a top plan view of a collar clip, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof; and

FIG. 4 is an enlarged scale transverse sectional view taken through the center of the left most element in FIG. 3. 

The ornamental design for a collar clip, as shown and described. 